#!/bin/bash

# Slackware build script for latex2rtf

# Copyright 2018 Nitish Ragoomundun, Mauritius
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=latex2rtf
VERSION=${VERSION:-2.3.17}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;


# Fix the path for the configuration files in the Makefile
mv Makefile{,.orig}
sed -e '154s@\$(DESTDIR)@/usr@' \
    -e '157s@\$(DESTDIR)@/usr@' \
    -e '231s@\$(DESTDIR)@/usr@' Makefile.orig > Makefile

# Build executables
CFLAGS=$SLKCFLAGS make DESTDIR=$PKG/usr latex2rtf

# Make documentation
make DESTDIR=$PKG/usr doc

# Install
make DESTDIR=$PKG/usr install
make DESTDIR=$PKG/usr install-info

# Fix permission for executable latex2png
chmod 755 $PKG/usr/bin/latex2png

# Compress man pages if they exist
if [ -d $PKG/usr/share/man ]; then
  ( cd $PKG/usr/share/man
    find . -type f -exec gzip -9 \{\} \;
    for i in $(find . -type l) ; do ln -s $(readlink $i).gz $i.gz ; rm $i ; done
  )
fi

# Compress info pages if they exist (and remove the dir file)
if [ -d $PKG/usr/share/info ]; then
  gzip -9 $PKG/usr/share/info/*.info
  rm -f $PKG/usr/share/info/dir
fi

mv $PKG/usr/share/{man,info} $PKG/usr/

# Copy the rest of documentation
cp -a ChangeLog Copyright HACKING README $PKG/usr/share/$PRGNAM/
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/share/$PRGNAM/$PRGNAM.SlackBuild
find $PKG/usr/share/$PRGNAM -type f -exec chmod 644 \{\} \;

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc


cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
